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（１）沉井深层冲水排土其原理是通过沉井壁的冲孔，用高压水枪伸入基础沉降少的部分地基进行深层冲水排土迫降纠偏。它可使强迫沉降过程缓慢地发展，便于控制，并能严格保证地基不会进入破坏阶段。采用该法能在较短时间内完成纠偏，经济效益显著。但需考虑到建筑物基础和...
(1) The principle of deep flushing and drainage of open caisson is through the punching of the caisson wall, using high-pressure water guns to reach some foundations with less foundation settlement, and deep flushing and soil-dumping shall be carried out to correct failure. It can make the forced sedimentation process develop slowly, easy to control, and can guarantee that the foundation will not enter the destruction stage. Using this method can complete the correction in a relatively short period of time, with significant economic benefits. But need to consider the building foundation and...